:root{
  --bg:#fafaf8; --card:#ffffff; --ink:#1c1c1a; --muted:#6f6e69; --line:#e7e5e0; --soft:#f2f1ed;
  --accent:#3b3747; --accent-ink:#fff; --accent-soft:#eeecf2;
  --ok:#2f6f4f; --ok-soft:#e6f1ea; --warn:#9a6312; --warn-soft:#f8efdf; --bad:#a33b3b;
  --r:14px; --font:'IBM Plex Sans Thai', system-ui, sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.6}
a{color:inherit}
img{max-width:100%}
h1,h2,h3{line-height:1.25;margin:0 0 .5em;font-weight:600}
h1{font-size:clamp(26px,4.5vw,40px);letter-spacing:-.01em}
h2{font-size:22px} h3{font-size:17px}
p{margin:0 0 1em}
.muted{color:var(--muted)} .small{font-size:13px} .center{text-align:center}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.grow{flex:1}
.hidden{display:none!important}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:rgba(250,250,248,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:16px;height:60px}
.logo{font-weight:600;text-decoration:none;font-size:18px;display:flex;gap:8px;align-items:center}
.logo i{width:22px;height:22px;border-radius:50%;border:5px solid var(--accent);display:inline-block}
.nav{margin-left:auto;display:flex;gap:4px}
.nav a{text-decoration:none;padding:8px 12px;border-radius:10px;color:var(--muted);font-size:14px}
.nav a:hover,.nav a.on{background:var(--soft);color:var(--ink)}

/* buttons & forms */
.btn{appearance:none;border:1px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-weight:500;padding:10px 18px;border-radius:12px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;min-height:44px}
.btn:hover{border-color:#cfccc4}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.12)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.ghost{background:transparent;border-color:transparent}
.btn.sm{min-height:34px;padding:6px 12px;font-size:13px;border-radius:10px}
.btn.block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}
label.f{display:block;margin-bottom:14px}
label.f>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
input,select,textarea{font:inherit;color:inherit;width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;min-height:44px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
textarea{min-height:80px;resize:vertical}
input[type=checkbox],input[type=radio]{width:auto;min-height:0;accent-color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
@media(max-width:560px){.grid2{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card+.card{margin-top:16px}
.badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:99px;background:var(--soft);color:var(--muted);white-space:nowrap}
.st-paid{background:var(--warn-soft);color:var(--warn)}
.st-arranging{background:#fdf3e1;color:#8a5a0c}
.st-arranged{background:var(--accent-soft);color:var(--accent)}
.st-delivering{background:#e5eef8;color:#2c5a8a}
.st-delivered{background:var(--ok-soft);color:var(--ok)}
.st-cancelled{background:#f6e3e3;color:var(--bad)}

/* chips (ตัวเลือก) */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 14px;font:inherit;font-size:14px;cursor:pointer;min-height:36px}
.chip.on{border-color:var(--accent);background:var(--accent);color:#fff}

/* home */
.hero{padding:56px 0 32px}
.hero p{font-size:17px;max-width:620px}
.promise{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:8px 0 22px;max-width:640px}
.promise div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.promise b{display:block;font-size:20px;font-weight:600}
.promise span{font-size:13px;color:var(--muted)}
@media(max-width:560px){.promise{grid-template-columns:1fr 1fr}}
.free-tag{display:inline-block;font-size:12px;color:var(--ok);background:var(--ok-soft);border-radius:99px;padding:1px 8px;margin-left:6px;font-weight:500;vertical-align:middle}
.steps-inline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0 8px}
.steps-inline div{border-top:2px solid var(--ink);padding-top:10px;font-size:14px}
.steps-inline b{display:block;font-size:13px;color:var(--muted);font-weight:500}
@media(max-width:640px){.steps-inline{grid-template-columns:1fr 1fr}}
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin:24px 0 48px}
@media(max-width:560px){.products{grid-template-columns:1fr 1fr;gap:10px}.product .meta{padding:10px 12px 12px}}
.product{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:transform .15s}
.product:hover{transform:translateY(-2px);border-color:#d6d3cb}
.product .pic{background:var(--soft);aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;padding:12px}
.product .pic svg{height:100%;width:100%}
.product .pic:has(.is-photo){padding:0}
.product .meta{padding:14px 16px 16px}
.product .meta b{font-weight:600;display:block}
.price{font-weight:600}
.section{padding:40px 0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:500}
.temple-links{columns:3 220px;font-size:14px}
.temple-links a{display:block;padding:3px 0;text-decoration:none;color:var(--muted)}
.temple-links a:hover{color:var(--ink)}
footer.site-foot{border-top:1px solid var(--line);padding:32px 0 80px;font-size:13px;color:var(--muted)}

/* stepper */
.stepper{display:flex;gap:6px;margin:24px 0}
.stepper div{flex:1;font-size:13px;color:var(--muted);padding-top:8px;border-top:3px solid var(--line)}
.stepper div.on{color:var(--ink);border-color:var(--accent);font-weight:500}
.stepper div.done{border-color:var(--accent)}
.stepper span{display:inline-block;width:20px}

/* designer */
.designer{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:start;padding-bottom:60px}
.preview{position:sticky;top:76px;background:var(--soft);border-radius:var(--r);padding:16px;text-align:center}
.preview .wreath-svg{width:100%;max-height:70vh}
.preview .wreath-svg.is-photo{border-radius:12px}
.preview .sign-flat{margin-top:12px;background:#fff;border-radius:10px;padding:10px}
.preview .sign-flat svg{width:100%;max-height:120px}
@media(max-width:860px){.designer{grid-template-columns:1fr}.preview{position:relative;top:0}.preview .wreath-svg{max-height:52vh}}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px;max-height:430px;overflow:auto;padding:2px}
.thumb{border:1px solid var(--line);background:#fff;border-radius:12px;padding:6px;cursor:pointer;text-align:center;font:inherit;font-size:12px}
.thumb svg{height:84px;width:100%;display:block;margin:0 auto;border-radius:8px}
.thumb.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.frames{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.frames .thumb svg{height:auto;width:100%}
.sum{display:flex;justify-content:space-between;padding:6px 0}
.sum.total{border-top:1px solid var(--line);margin-top:6px;padding-top:12px;font-weight:600;font-size:18px}
.sticky-cta{padding:20px 0 12px}

/* temple picker */
.picker{position:relative}
.picker .list{position:absolute;left:0;right:0;top:100%;z-index:10;background:#fff;border:1px solid var(--line);border-radius:10px;max-height:280px;overflow:auto;box-shadow:0 10px 30px rgba(0,0,0,.08)}
.picker .list button{display:block;width:100%;text-align:left;border:0;background:none;padding:10px 12px;font:inherit;cursor:pointer}
.picker .list button:hover{background:var(--soft)}

/* pay */
.pay-opt{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;margin-bottom:10px;background:#fff}
.pay-opt.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.qrbox{display:flex;justify-content:center;padding:12px;background:#fff;border-radius:12px;border:1px solid var(--line)}
.slip-prev{max-height:220px;border-radius:10px;border:1px solid var(--line)}

/* tracking */
.timeline{list-style:none;margin:0;padding:0}
.timeline li{position:relative;padding:0 0 28px 40px}
.timeline li:before{content:'';position:absolute;left:11px;top:26px;bottom:0;width:2px;background:var(--line)}
.timeline li:last-child:before{display:none}
.timeline .dot{position:absolute;left:0;top:2px;width:24px;height:24px;border-radius:50%;border:2px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;font-size:12px}
.timeline li.done .dot{background:var(--accent);border-color:var(--accent);color:#fff}
.timeline li.now .dot{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.timeline .photo{margin-top:8px;max-width:320px;border-radius:12px;display:block;border:1px solid var(--line)}

/* chat widget */
.chat-fab{position:fixed;right:16px;bottom:16px;z-index:40;border-radius:99px;box-shadow:0 8px 24px rgba(0,0,0,.15)}
.chat-fab .dotn{background:var(--bad);color:#fff;border-radius:99px;font-size:11px;padding:0 6px;margin-left:4px}
.chat-panel{position:fixed;right:16px;bottom:76px;z-index:40;width:min(360px,calc(100vw - 32px));height:min(480px,70vh);background:#fff;border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;box-shadow:0 20px 50px rgba(0,0,0,.15)}
.chat-panel header{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.msgs{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:6px;background:var(--bg)}
.msg{max-width:80%;padding:8px 12px;border-radius:14px;background:#fff;border:1px solid var(--line);font-size:14px;align-self:flex-start;white-space:pre-wrap;word-break:break-word}
.msg.me{align-self:flex-end;background:var(--accent);color:#fff;border-color:var(--accent)}
.msg small{display:block;opacity:.6;font-size:11px}
.chat-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}

#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:12px;opacity:0;transition:.25s;z-index:100;pointer-events:none;font-size:14px}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* invoice */
.invoice{background:#fff;max-width:800px;margin:24px auto;padding:40px;border:1px solid var(--line);border-radius:6px;font-size:14px}
.invoice table{width:100%;border-collapse:collapse;margin:20px 0}
.invoice th,.invoice td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.invoice th{font-weight:500;color:var(--muted);font-size:12px}
.invoice td.n,.invoice th.n{text-align:right}
.stamp{display:inline-block;border:2px solid var(--ok);color:var(--ok);padding:4px 14px;border-radius:8px;font-weight:600;transform:rotate(-4deg)}
@media(max-width:600px){.invoice{padding:20px}}
@media print{
  @page{size:A4;margin:12mm}
  body{background:#fff}
  .no-print,.site-head,.chat-fab,.chat-panel,footer{display:none!important}
  .invoice{border:0;margin:0;padding:0;max-width:none}
}
@media(max-width:560px){
  .logo,.nav a{white-space:nowrap}
  .nav a[data-nav="home"]{display:none}
  .nav a{padding:8px 8px}
  /* เมนูยาวเกินจอมือถือ (ตอนมี "สั่งด่วน" + ล็อกอินแล้ว): เหลือแค่รูปโปรไฟล์ และเลื่อนในแถบเมนูได้ ไม่ดันทั้งหน้าให้กว้าง */
  .nav{min-width:0;overflow-x:auto;scrollbar-width:none}
  #authNav span{display:none}
  .preview .wreath-svg{max-height:40vh}
  .stepper div{font-size:12px}
}
@media(max-width:480px){.site-head .logo .brand-name{display:none}}
.designer.two{grid-template-columns:1fr 1fr}
@media(max-width:1000px){.designer.two{grid-template-columns:1fr}}

/* ป้ายที่บันทึกไว้ */
.saved-signs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin-bottom:14px}
.saved{position:relative;border:1px solid var(--line);background:#fff;border-radius:12px;padding:8px;cursor:pointer;text-align:left}
.saved:hover{border-color:var(--accent)}
.saved.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.saved svg{width:100%;height:auto;display:block;margin-bottom:4px}
.saved .x{position:absolute;top:4px;right:4px;border:0;background:rgba(0,0,0,.06);border-radius:50%;width:22px;height:22px;line-height:20px;cursor:pointer;font-size:14px;color:var(--muted);padding:0}
.saved .x:hover{background:var(--bad);color:#fff}

/* ข้อความรอบส่ง (หน้าแรก) */
.round-line{display:inline-block;background:var(--ok-soft);border-radius:999px;padding:6px 14px;font-size:14px;margin:4px 0 0}
/* ลิงก์หน้าวัดท้ายหน้า (ไว้ให้ Google เดินถึง) */
.foot-links{display:flex;flex-wrap:wrap;gap:4px 12px;padding-block:10px 18px;color:var(--muted)}
.foot-links a{color:var(--muted);text-decoration:none}
/* ผลงานส่งจริง */
.works{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.works figure{margin:0;background:var(--card,#fff);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.works img{display:block;width:100%;aspect-ratio:4/5;object-fit:cover}
.works figcaption{padding:10px 12px;font-size:14px}
.works figcaption .muted{display:block;font-size:12px;margin-top:4px}

/* คำเตือนตัวสะกดบนป้าย (แจ้งอย่างเดียว ไม่แก้ให้) */
.sign-warn{background:var(--warn-soft);border-radius:12px;padding:10px 14px;margin:-4px 0 12px;font-size:14px;line-height:1.6}
.sign-warn b{display:block;margin-bottom:2px}